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Adsp-2186 – Analog Devices ADSP-2186 User Manual

Page 23

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ADSP-2186

REV. 0

–23–

Parameter

Min

Max

Unit

IDMA Address Latch

Timing Requirements:
t

IALP

Duration of Address Latch

1, 3

10

ns

t

IASU

IAD15–0 Address Setup before Address Latch End

3

5

ns

t

IAH

IAD15–0 Address Hold after Address Latch End

3

2

ns

t

IKA

IACK Low before Start of Address Latch

2, 3

0

ns

t

IALS

Start of Write or Read after Address Latch End

2, 3

3

ns

NOTES

1

Start of Address Latch =

IS Low and IAL High.

2

Start of Write or Read =

IS Low and IWR Low or IRD Low.

3

End of Address Latch =

IS High or IAL Low.

t

IKA

IAD 15–0

IACK

IAL

IS

IRD

IWR

OR

t

IALP

t

IASU

t

IAH

t

IALS

Figure 20. IDMA Address Latch